표 4. | Table 4. Ablation study 결과 | Ablation study results

Prosody embedding	MixLN	Mel2VAD predictor	CER(↓,%)		SECS(↑)		F0 PCC(↑)		Energy PCC(↑)
			Seen	Unseen	Seen	Unseen	Seen	Unseen	Seen	Unseen
×	×	×	28.7	27.6	0.762	0.767	0.739	0.742	0.970	0.971
○	×	×	28.5	27.3	0.762	0.767	0.739	0.743	0.970	0.971
○	○	×	23.9	22.3	0.750	0.758	0.741	0.745	0.971	0.973
×	×	○	27.0	26.1	0.765	0.769	0.740	0.743	0.971	0.972
○	○	○	23.7	22.1	0.751	0.759	0.745	0.747	0.971	0.973

MixLN, mix layer normalization; CER, character error rate; SECS, speaker embedding cosine similarity; F0 PCC, F0 pearson correlation coefficient; Energy PCC, energy pearson coefficient.